SLC6A14 deficiency is linked to obesity, fatty liver, and metabolic syndrome but only under conditions of a high-fat diet.
Sivaprakasam S, Sikder MOF, Ramalingam L, Kaur G, Dufour JM, Moustaid-Moussa N, Wachtel MS, Ganapathy V. Biochim Biophys Acta Mol Basis Dis. 2021 May 1; 1867(5):166087. Epub 2021 Jan 26.